254174340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{605177}}^1$

素因数の和:605196

約数の個数: 48

約数和(自身を含む): 813359232

約数和(自身を除く): 559184892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 605177, 1210354, 1815531, 2420708, 3025885, 3631062, 4236239, 6051770, 7262124, 8472478, 9077655, 12103540, 12708717, 16944956, 18155310, 21181195, 25417434, 36310620, 42362390, 50834868, 63543585, 84724780, 127087170, 254174340]

約数ペア:

[(1, 254174340), (2, 127087170), (3, 84724780), (4, 63543585), (5, 50834868), (6, 42362390), (7, 36310620), (10, 25417434), (12, 21181195), (14, 18155310), (15, 16944956), (20, 12708717), (21, 12103540), (28, 9077655), (30, 8472478), (35, 7262124), (42, 6051770), (60, 4236239), (70, 3631062), (84, 3025885), (105, 2420708), (140, 1815531), (210, 1210354), (420, 605177)]